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EC number: 242-272-5
CAS number: 18395-30-7
(72-h) EC50: >1170 mg/L growth rate Desmodesmus subspicatus, reliability 1. NOEC: 221 mg/L growth rate Desmodesmus subspicatus, reliability 1.
A 72-hour EC50 value of >1170 mg/L and NOEC of 221 mg/L have been
determined for the effects of the test substance on growth rate of Desmodesmus
subspicatus (tested as Scenedesmus subspicatus). The result
is expressed in terms of the estimated concentration of the parent
substance based on measured DOC concentration of the stock solution.
However it is likely that the test organisms were primarily exposed to
the hydrolysis products of the substance.
The study is supported by QSAR predictions for the hydrolysis product
2-methylpropylsilanetriol is (ErC50 value of 410 mg/L).
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